From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756129Ab1CGU13 (ORCPT ); Mon, 7 Mar 2011 15:27:29 -0500 Received: from mail-bw0-f46.google.com ([209.85.214.46]:56710 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753556Ab1CGU1S (ORCPT ); Mon, 7 Mar 2011 15:27:18 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=PZ5j++UHCF1N5xjSp/8eFsZFpbIdZZEP3/4wGbAe0ftfSjg4HjSGusrERBf6Vief25 ucD5z6hP1tpCUjl1ibXxZyg1DWWWJHryHzlppU6Q/04AqJnatjl4ky9QICdoo79ngEo3 gYUi6TM9hCcN+WlYc4li7186TW1ttAuVwJLaU= From: Frederic Weisbecker To: Peter Zijlstra Cc: LKML , Frederic Weisbecker , Ingo Molnar , Peter Zijlstra , Arnaldo Carvalho de Melo , Paul Mackerras , Stephane Eranian Subject: [PATCH 2/2] perf: Handle stopped state with tracepoints Date: Mon, 7 Mar 2011 21:27:09 +0100 Message-Id: <1299529629-18280-2-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.7.3.2 In-Reply-To: <1299529629-18280-1-git-send-email-fweisbec@gmail.com> References: <1299529629-18280-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We toggle the state from start and stop callbacks but actually don't check it when the event triggers. Do it so that these callbacks actually work. Signed-off-by: Frederic Weisbecker Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Paul Mackerras Cc: Stephane Eranian --- kernel/perf_event.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 974e2e6..533f715 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -5478,6 +5478,8 @@ static int perf_tp_event_match(struct perf_event *event, struct perf_sample_data *data, struct pt_regs *regs) { + if (event->hw.state & PERF_HES_STOPPED) + return 0; /* * All tracepoints are from kernel-space. */ -- 1.7.3.2